Merge remote branch 'alsa/devel' into topic/misc

[pandora-kernel.git] / arch / arm / plat-omap / omap_device.c

diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index f899603..d2b1609 100644 (file)
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -1,7 +1,7 @@
 /*
  * omap_device implementation
  *
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Nokia Corporation
  * Paul Walmsley, Kevin Hilman
  *
  * Developed in collaboration with (alphabetical order): Benoit
@@ -90,8 +90,11 @@
 #define USE_WAKEUP_LAT                 0
 #define IGNORE_WAKEUP_LAT              1
 
-
-#define OMAP_DEVICE_MAGIC 0xf00dcafe
+/*
+ * OMAP_DEVICE_MAGIC: used to determine whether a struct omap_device
+ * obtained via container_of() is in fact a struct omap_device
+ */
+#define OMAP_DEVICE_MAGIC               0xf00dcafe
 
 /* Private functions */
 
@@ -359,7 +362,7 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
        struct omap_device *od;
        char *pdev_name2;
        struct resource *res = NULL;
-       int res_count;
+       int i, res_count;
        struct omap_hwmod **hwmods;
 
        if (!ohs || oh_cnt == 0 || !pdev_name)
@@ -404,7 +407,9 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
        od->pdev.num_resources = res_count;
        od->pdev.resource = res;
 
-       platform_device_add_data(&od->pdev, pdata, pdata_len);
+       ret = platform_device_add_data(&od->pdev, pdata, pdata_len);
+       if (ret)
+               goto odbs_exit4;
 
        od->pm_lats = pm_lats;
        od->pm_lats_cnt = pm_lats_cnt;
@@ -416,6 +421,9 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
        else
                ret = omap_device_register(od);
 
+       for (i = 0; i < oh_cnt; i++)
+               hwmods[i]->od = od;
+
        if (ret)
                goto odbs_exit4;
 
@@ -652,6 +660,25 @@ struct powerdomain *omap_device_get_pwrdm(struct omap_device *od)
        return omap_hwmod_get_pwrdm(od->hwmods[0]);
 }
 
+/**
+ * omap_device_get_mpu_rt_va - return the MPU's virtual addr for the hwmod base
+ * @od: struct omap_device *
+ *
+ * Return the MPU's virtual address for the base of the hwmod, from
+ * the ioremap() that the hwmod code does.  Only valid if there is one
+ * hwmod associated with this device.  Returns NULL if there are zero
+ * or more than one hwmods associated with this omap_device;
+ * otherwise, passes along the return value from
+ * omap_hwmod_get_mpu_rt_va().
+ */
+void __iomem *omap_device_get_rt_va(struct omap_device *od)
+{
+       if (od->hwmods_cnt != 1)
+               return NULL;
+
+       return omap_hwmod_get_mpu_rt_va(od->hwmods[0]);
+}
+
 /*
  * Public functions intended for use in omap_device_pm_latency
  * .activate_func and .deactivate_func function pointers